CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Structure Evolution During Uniaxial Tensile Deformation of High Density Polyethylene Before and After Irradiation by 1 MeV Electrons
Rui, EM; Yang, JQ; Li, XJ; Liu, CM; Tian, F; Gao, F; Li, XH; Geng, HB; lxj0218@hit.edu.cn
2014
Source PublicationJOURNAL OF APPLIED POLYMER SCIENCE
ISSN0021-8995
Volume131Issue:10
AbstractThe structural evolution of high density polyethylene (HDPE) during uniaxial tensile deformation, before and after irradiation by 1 MeV electrons, is in situ studied by synchrotron small angle X-ray scattering (SAXS) and wide angle X-ray diffraction (WAXD). Both the pristine and the irradiated HDPE exhibit three regions of deformation behavior. It is shown that the deformation in the first region is in accord with the change in long period of the lamellar structure. In the following two regions, both the strain-induced melting and strain-induced crystallization could occur. The tensile stress decreases with strain in the second region due to the dominant melting effect. In the third region, the synergistic effect of the melting and crystallization results in stress leveling off first, and then the tensile stress increases again because the crystallization effect becomes dominant at higher strains. For the irradiated HDPE, the irradiation-induced crosslinking network slows down the deformation process. Compared to the pristine one, all the tensile stress is rather higher at a given strain for the irradiated HDPE. (c) 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2014, 131, 40269.
KeywordX-ray-scattering Molecular-weight Polyethylene Strain-induced Crystallization Near-earth Space Synchrotron-radiation Plastic-deformation Linear Polyethylene Small-angle Rates Saxs
Indexed BySCI
Language英语
WOS IDWOS:000334665000031
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/14422
Collection中科院上海应用物理研究所2011-2019年
Corresponding Authorlxj0218@hit.edu.cn
Recommended Citation
GB/T 7714
Rui, EM,Yang, JQ,Li, XJ,et al. Structure Evolution During Uniaxial Tensile Deformation of High Density Polyethylene Before and After Irradiation by 1 MeV Electrons[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2014,131(10).
APA Rui, EM.,Yang, JQ.,Li, XJ.,Liu, CM.,Tian, F.,...&lxj0218@hit.edu.cn.(2014).Structure Evolution During Uniaxial Tensile Deformation of High Density Polyethylene Before and After Irradiation by 1 MeV Electrons.JOURNAL OF APPLIED POLYMER SCIENCE,131(10).
MLA Rui, EM,et al."Structure Evolution During Uniaxial Tensile Deformation of High Density Polyethylene Before and After Irradiation by 1 MeV Electrons".JOURNAL OF APPLIED POLYMER SCIENCE 131.10(2014).
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